Free 10,000 mAh Power Bank For 7.4V（5pcs limited）

It can be used for charging:

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Input: (DC) 7.4V/2A
Output: (DC) 7.4V/2A

CAUTION:

Do not connect improperly.
Do not dispose of in fire or expose to excessive heat.
Do not crush, puncture, incinerate, or short circuit.
Remove battery from garment before washing.
Only use the specified charger.
Do not short circuit.